Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is
Black
Silver grey
Green
Yellow
- The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
- The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- Pick out the correct statement about the condensation.
- A dense structure of grinding wheel is not used for the
- Which of the following is not used as a bearing material?
- Difference at any instant between the value of the controlled variable and the set point is called the
- The most detrimental impurity in high pressure boiler feed water is
- Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
- Neutrons are present in all atoms except that of
- Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
- Routing in production, planning & control is concerned with the
- Uniform ramming of sand in green sand moulding process leads to
- In the acid Bessemer process, the hot metal should have the following composition.
- Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
- Softening of hardened steel is done by its
- A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
- The surface tension of a liquid, at critical temperature is
- The ratio of the shear stress to the principal stress on a principal plane is
- In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
- The material used for coating the welding electrode is termed as the
- __________ has the highest melting point out of the following.
- Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with…
- Hardening of steel is not possible, unless it is heated __________ critical point.
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- Cascade control is
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- Pick out the wrong statement.
- Powder metallurgy technique is used in the production of __________ tools.
- Which of the, following is not associated with the functioning of a petrol engine?